n-Propylbenzene is an aromatic hydrocarbon with the formula C6H5CH2CH2CH3.

The molecule consists of a propyl group attached to a phenyl ring.

A more common structural isomer of this compound is cumene.

n-Propylbenzene is used as a nonpolar organic solvent in various industries, including printing and the dyeing of textiles and in the manufacture of methylstyrene.

[1][2] It can be synthesized by the reaction of the Grignard reagent derived from benzyl chloride with diethyl sulfate.